Chemistry, 13.12.2020 09:30 unicornsrule26

Hello can u answer these quickly? 1- If element X has 6 protons. How many electrons does it have?

2- If element Y has 10 protons. What is its atomic number?

3- If element Z has 15 protons & 17 neutrons. What are its number of electrons, atomic number & mass number?

4- If element A has 7 electrons & 9 neutrons. How many protons does it have? And what is its atomic number?

1- If the atomic number of an element is 15 & its mass number is 31? How many protons & neutrons does this element have?

2- If element B has 9 electrons. Find the number of protons & atomic number.

3- If the mass number of element A is 60 & number of neutrons is 33. Find its number of protons & its atomic number.

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 17:00

The most efficient way to establish the best possible economizer position is to measure

Answers: 1

Answer

Chemistry, 21.06.2019 20:30

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Answers: 1

Answer

Chemistry, 22.06.2019 06:30

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Answers: 3

Answer

Chemistry, 22.06.2019 11:50

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution

Answers: 2

Answer

You know the right answer?

Hello can u answer these quickly? 1- If element X has 6 protons. How many electrons does it have? <...

Questions